(CNN) -- Japanese researchers have found radiation in all 15 people tested last month from the area near the crippled Fukushima Daiichi nuclear power plant.

Cesium was found in the participants, ranging from 4 to 77 years old, through two rounds of testing conducted by Nanao Kamada at the Research Institute for Radiation Biology and Medicine of Hiroshima University.

Kamada insisted that the cesium numbers are minute and do not represent a health threat.

The people tested lived in the towns of Iitate and Kawamata, located about 25 miles (40 kilometers) from the nuclear plant.

The participants were also tested for radioactive iodine, which was found in the urine of six Fukushima prefecture residents.

The urine samples from a 77-year-old man in the first round of tests indicated radioactivity as high as 3.2 millisieverts. However, no iodine was found from the urine of the same man in the second round of tests, ruling out the possibility of air contamination.

"The cause might be that they ate contaminated vegetables and mushrooms before the restrictions, not by inhaling contaminated air," Kamada said, referring to a large scale restriction on Fukushima produce following the incident at the plants on March 11.

The data indicated that accumulated external exposure was between 4.9 and 13.5 millisieverts for the two months after the accident -- a number which could exceed the government limit of 20 millisieverts per year if they continue living in the area.

"From the perspective of protecting human health from radiation, it is clear that they unfortunately cannot continue to live in their homes," Kamada said. About 7,500 people were evacuated from the communities by the end of May, although some folks continue to live in Iitate.

The first test was conducted May 5, while the second was conducted at the end of the month. The results were announced to the residents June 19.

Kyodo added extra (in red, below) which is not in CNN, and which, it turns out, the doctor never said:

"If they do not eat contaminated vegetables from now on, there is no need to worry. But they cannot continue to live in their homes if the Fukushima I Nuke Plant accident doesn't wind down," Kamada said, indicating agreement with the national government's policy that designated the area as "planned evacuation zone".

Kyodo News never mentioned radioactive iodine, never mentioned external exposure. It did mention the age of the subjects (4 to 77), radiation of about 3 millisieverts and the dates of the tests in the earlier version of the news, but deleted the information in the final version. In the earlier version, there was no mention of Professor Kamada agreeing with the national government policy or commenting on the Fukushima plant.

About my coverage of Japan Earthquake of March 11

I am Japanese, and I not only read Japanese news sources for information on earthquake and the Fukushima Nuke Plant but also watch press conferences via the Internet when I can and summarize my findings, adding my observations.

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Well, this was, until March 11, 2011. Now it is taken over by the events in Japan, first earthquake and tsunami but quickly by the nuke reactor accident. It continues to be a one-person (me) blog, and I haven't even managed to update the sidebars after 5 months... Thanks for coming, spread the word.------------------This is an aggregator site of blogs coming out of SKF (double-short financials ETF) message board at Yahoo.

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